Protzia annularis Lundblad, 1954
Type material: Deposited in NRM: Holotype one female NHRS-GULI000089974 (Lundblad no. 4207), Allotype male NHRS-GULI000089975 (Pers. comm., G, Lindberg) .
Type locality: Spain: Cádiz (Valdecasas 1988), in Algeciras, Andalucía (Lundblad 1954); and Cangas de Onís, Asturias (Lundblad 1956).
Geographical distribution: Portugal: Beira Alta (Lundblad 1956); Spain: Cádiz, Asturias-Oviedo (Valdecasas 1988).
Distribution in Portugal: Centre: Santa Comba Dão, Beira Alta (Lundblad 1956).
Ecological notes: Warm fast-flowing water streams, present in moss in a waterfall (Lundblad 1956).
Protzia curvipalpis Lundblad, 1956
Type material: Deposited in NRM: Holotype Lundblad No. Präp. 4416; Paratype Lundblad No. Präp. 4417 and 4421 (Lundblad 1956) .
Type locality: Portugal: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).
Geographical distribution: Portugal: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).
Distribution in Portugal: Centre: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).
Ecological notes: Cold freshwater, found in cascade staircase with plenty of moss, together with platyhelminth Crenobia alpina (Lundblad 1956) .
Protzia octopora Lundblad, 1954
Type material: Deposited in NRM: Holotype one male, Lundblad No. Präp. 4418; Paratype: Lundblad No. Präp. 4420 (Lundblad 1956) .
Type locality: Portugal: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).
Geographical distribution: Portugal: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).
Distribution in Portugal: Centre: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).
Ecological notes: Cold freshwater, found in cascade staircase with plenty of moss, together with platyhelminth Crenobia alpina (Lundblad 1956) .